495797851 has 2 divisors, whose sum is σ = 495797852. Its totient is φ = 495797850.

The previous prime is 495797801. The next prime is 495797903. The reversal of 495797851 is 158797594.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495797851 - 2²³ = 487409243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 495797792 and 495797801.

It is not a weakly prime, because it can be changed into another prime (495797801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247898925 + 247898926.

It is an arithmetic number, because the mean of its divisors is an integer number (247898926).

Almost surely, 2^495797851 is an apocalyptic number.

495797851 is a deficient number, since it is larger than the sum of its proper divisors (1).

495797851 is an equidigital number, since it uses as much as digits as its factorization.

495797851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 55.

The square root of 495797851 is about 22266.5186097872. The cubic root of 495797851 is about 791.4707691741.

The spelling of 495797851 in words is "four hundred ninety-five million, seven hundred ninety-seven thousand, eight hundred fifty-one".